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Category Archives: Computer Networks

Server Virtualization is the partitioning of a physical server into a number of small virtual servers, each running its own operating system. These operating systems… Read More
Prerequisites: Know about Cyclic redundancy, Socket Programming What is CRC? CRC or Cyclic Redundancy Check is a method of detecting accidental changes/errors in the communication channel. CRC… Read More
Congestion control refers to the techniques used to control or prevent congestion. Congestion control techniques can be broadly classified into two categories:     Open Loop… Read More
There are many ways to find Hostname and IP address of a local machine. Here is a simple method to find hostname and IP address… Read More
If you have been using a linux distro for a quite long time now and you are not a newbie at Linux anymore then you… Read More
You might have used ifconfig command on your linux terminal to know different network configurations of your system.  ifconfig command shows hardware address(HWaddr) and network… Read More
We take a close look at so-called WiFi which is also known as IEEE standard 802.11  Consider the situation depicted in the figure, where each… Read More
Unicode is a universal encoding system to provide a comprehensive character set and was created by the Unicode Consortium (a group of multilingual software manufacturers).… Read More
TCP uses several timers to ensure that excessive delays are not encountered during communications. Several of these timers are elegant, handling problems that are not… Read More
Prerequisites – Basic Congestion control knowledge TCP uses a congestion window and a congestion policy that avoid congestion. Previously, we assumed that only the receiver… Read More
Prerequisites – Stop & Wait, Go Back N, Selective Repeat Summary of all the protocols – Before starting with the questions a quick recap for… Read More
In TCP 3-way Handshake Process we studied that how connections are established between client and server in Transmission Control Protocol (TCP) using SYN bit segments.… Read More
Prerequisite – TCP/IP Model TCP protocol has methods for finding out corrupted segments, missing segments, out-of-order segments and duplicated segments.  Error control in TCP is mainly… Read More
The main issue with Distance Vector Routing (DVR) protocols is Routing Loops since Bellman-Ford Algorithm cannot prevent loops. This routing loop in the DVR network… Read More
Prerequisite – Layers of OSI Model Multiplexing and Demultiplexing services are provided in almost every protocol architecture ever designed. UDP and TCP perform the demultiplexing and… Read More

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